Matthew Sweet talks to the Spanish novelist Javier Marias about his new book 'The Infatuations'. Night Waves takes stock of the man who sold the world as a new exhibition 'David Bowie is....' gets set to open at the Victoria and Albert Museum. And In another new book 'The Undivided Past' David Cannadine is looking beyond the supposed clash of religions, classes and civilisations and asks does a "History Beyond Our Differences" lead to confusion in the absence of polarised views?